1501 -- Sample 15-0001s – Plantago aristata leaves (control)
1502 -- Sample 15-0002s – unknown, single-stemmed Plantago leaves

If you prefer, you can set up reference numbers that are more appropriate
for your system.

Both leaf specimens were collected from the same location on May 20, 2016.
The plants were growing in a dry, sunny shale barrens glade that had
scattered, small gravel mixed in for area logging operations.  They were
growing with Minuartia patula, Krigia virginica, Lolium perenne var.
aristatum, Triodanis leptocarpa, Trifolium arvense, Oenothera linifolia,
Trifolium campestre, Plantago pusilla, and Lobelia appendiculata.

The GPS coordinates were N34.72874, W92.96604.  That location was in central
Arkansas, about 2 miles NE of Hot Springs Village, 1.8 miles ENE of the
Beaudry Cir and Angling Rd jct., then 40 yds E of Angling Rd on the N side
of an old logging trail.  There were more than a hundred examples of
Plantago arista, plus thousands of the single-stemmed Plantago, in an area
40 yds long by 30 yds wide.